Lesson 1.1 Welcome to the YAML Course: What We’ll Build Together

Lesson 1.2 What You’ll Learn: YAML From Basics to Kubernetes & CI/CD

Lesson 1.3 Is This YAML Course Right for You?

Lesson 1.4 How to Get the Most Out of This YAML Course

Lesson 1.5 Course Resources: GitHub Repo, Code Samples & Downloads

LESSON 2.1: What Is YAML? A Beginner’s Introduction to YAML Ain’t Markup Language

LESSON 2.2: The History of YAML: From 2001 to Today

LESSON 2.3: Understanding the YAML Specification (YAML 1.1 vs 1.2)

LESSON 2.4: Why YAML Matters: Readability vs JSON and XML

LESSON 2.5: Where Is YAML Used? Real-World Examples in DevOps

LESSON 2.6: YAML in Modern Software Development: Config as Code

LESSON 3.1: How to Set Up VS Code for YAML Editing

LESSON 3.2: Best VS Code YAML Extension: Install & Configure

LESSON 3.3: YAML Support in IntelliJ IDEA: Setup Guide

LESSON 3.4: Editing YAML Files in PyCharm: Setup & Tips

LESSON 3.5: Best Online YAML Validators to Check Your Syntax

LESSON 3.6: Installing and Using yamllint to Catch YAML Errors

LESSON 3.7: Using yq: The Command-Line YAML Processor

LESSON 3.8: Validating Kubernetes YAML with Kubeval

LESSON 3.9: Kubeconform: Fast Kubernetes Manifest Validation

LESSON 4.1: YAML Structure Explained: Documents, Nodes & Indentation

LESSON 4.2: YAML Indentation Rules: Spaces, Not Tabs (Avoid This Common Error)

LESSON 4.3: YAML Keys: Naming Rules and Syntax

LESSON 4.4: YAML Mapping (Key-Value Pairs) Explained With Examples

LESSON 4.5: YAML Sequences: How to Write Lists in YAML

LESSON 4.6: How to Write Comments in YAML

LESSON 5.1: YAML Scalars Explained: The Building Blocks of YAML Values

LESSON 5.2: YAML Strings: Plain, Quoted & Multi-Word Values

LESSON 5.3: YAML Numbers: Integers, Floats & Common Formatting Mistakes

LESSON 5.4: YAML Booleans: true/false, yes/no & the Norway Problem

LESSON 5.5: YAML Null Values: null, ~, and Empty Fields Explained

LESSON 5.6: Working With Dates and Timestamps in YAML

LESSON 5.7: YAML Binary Data: Encoding Files as Base64

LESSON 5.8: Escaping Special Characters in YAML

LESSON 5.9: Single Quotes vs Double Quotes vs Plain Strings in YAML

LESSON 6.1: How to Write Lists in YAML (Block & Flow Style)

LESSON 6.2: YAML Arrays: Inline Flow Sequences Explained

LESSON 6.3: YAML Dictionaries (Maps): Key-Value Collections Explained

LESSON 6.4: Nested Objects in YAML: Building Complex Structures

LESSON 6.5: Deep Nesting in YAML: Best Practices for Complex Configs

LESSON 7.1: Multi-Line Strings in YAML: A Complete Guide

LESSON 7.2: YAML Folded Style (>) Explained With Examples

LESSON 7.3: YAML Literal Style (|) Explained With Examples

LESSON 7.4: YAML Anchors (&): Reusing Values Without Repetition

LESSON 7.5: YAML Aliases (*): Referencing Anchors in Practice

LESSON 7.6: YAML Merge Keys (<<): Combining Maps Without Duplication

LESSON 7.7: YAML Tags Explained: Custom and Built-In Type Tags

LESSON 7.8: Multiple YAML Documents in One File (— Separator)

LESSON 8.1: How to Read and Manage Enterprise-Scale YAML Files

LESSON 8.2: Splitting YAML Into Modular, Reusable Files

LESSON 8.3: YAML File Organization Best Practices for Large Projects

LESSON 8.4: YAML File Naming Standards for Teams

LESSON 9.1: How to Validate YAML Files (Tools & Techniques)

LESSON 9.2: Configuring yamllint Rules for Your Project

LESSON 9.3: Common YAML Errors and How to Fix Them

LESSON 9.4: Fixing YAML Parsing Errors: A Troubleshooting Guide

LESSON 9.5: YAML Debugging Techniques for Faster Fixes

LESSON 10.1: YAML Style Guide: Formatting Conventions That Scale

LESSON 10.2: YAML Naming Conventions for Keys and Files

LESSON 10.3: How to Document YAML Files for Your Team

LESSON 10.4: Writing Maintainable YAML: Long-Term Best Practices

LESSON 10.5: Improving YAML Readability in Large Projects

LESSON 10.6: YAML Security Best Practices: Avoiding Secrets Leaks & Injection

LESSON 11.1: Docker Compose YAML Structure Explained

LESSON 11.2: Defining Services in docker-compose.yml

LESSON 11.3: Docker Compose Networks: YAML Configuration Guide

LESSON 11.4: Docker Compose Volumes: Persisting Data With YAML

LESSON 11.5: Setting Environment Variables in Docker Compose YAML

LESSON 11.6: Docker Compose Health Checks: YAML Configuration

LESSON 13.1: GitHub Actions YAML Syntax: Complete Workflow Guide

LESSON 13.2: Azure DevOps Pipeline YAML: Getting Started Guide

LESSON 13.3: GitLab CI YAML (.gitlab-ci.yml) Explained

LESSON 13.4: CI/CD Pipelines and Jobs in YAML: Core Concepts

LESSON 13.5: Using Variables in CI/CD YAML Pipelines

LESSION 13.6: Managing Secrets in CI/CD YAML Pipelines Securely

LESSION 13.7: Matrix Builds in YAML: Testing Across Multiple Configs

LESSON 14.1: Ansible YAML Playbooks: A Beginner’s Guide

LESSON 14.2: Helm Charts YAML: Templating Kubernetes Configs

LESSON 14.3: Writing OpenAPI Specs in YAML

LESSON 14.4: AWS CloudFormation YAML Templates Explained

LESSON 14.5: Terraform and YAML: Where They Overlap (and Don’t)

YAML Syntax Reference

Yaml Style Guide

YAML Validation Checklist

YAML Best Practices Guide